"I want to build an LED spectrophotometer with an Arduino," Cowell says. "People have done it before, but I want to make it better."
“我想用一块Arduino电路板做一台LED的分光光度计，”考埃尔说，“有人曾经做过，但我想做得更好些。”
According to Lambert-Beer and Kubelk-Munk theory, the method using spectrophotometer and color measurement was designed to determine the dyeing rate of blended fabrics in one bath.
根据朗伯-比尔定律和库贝尔卡-芒克理论，设计了一种利用分光光度计和测色仪测定混纺织物同浴染色上染速率曲线的方法。
The NO contents were determined by fluorescence spectrophotometer.
荧光分光光度法测定no含量。
Concentration of RNA was determined by ultraviolet spectrophotometer.
紫外分光光度计测定rna浓度。
A simple optical fiber reflectance spectrophotometer has been presented.
研制出一种简易光导纤维分光光度计。
Hydroxyproline was measured in lung tissue homogenates by spectrophotometer.
采用分光光度法测定肺组织匀浆羟脯氨酸含量。
The content of DNA in bone marrow cells was measured with ultraviolet spectrophotometer.
用紫外分光光度计测定骨髓细胞内dna的含量。
The simulative labeling yield was tested by UV-spectrophotometer and calculated as 80.4%.
采用紫外分光光度计测试吸光度并计算出模拟标记率达80.4%。
They were measured with anod stripping volt method and atomic absorption spectrophotometer.
然后分别用阳极溶出伏安法和原子吸收分光光度法测定。
Troubles and troubleshooting in verification of type 751 spectrophotometer were introduced.
介绍751型分光光度计在检定中常见、鲜见故障及其排除方法。
And the result also show that it is possible to study the oil absorption by UV spectrophotometer.
实验证明用紫外光谱法研究油脂吸附是可行的。
The application of USB2.0 communication technology in ultraviolet-visible spectrophotometer is introduced.
介绍了USB2.0通讯技术在紫外-可见分光光度计上的应用。
A simple method for automatical adjustment of light intensity on model 721 spectrophotometer is introduced.
介绍了一种实现721型分光光度计光强自动调节的简便方法。
Then utilize coordination titration and atomic ab sorption spectrophotometer testing each content of which.
利用络合滴定和原子吸收分光光度法测定各组分的含量；
Methods Vanadium content in cassia seed was measured by graphite furnace atomic absorption spectrophotometer.
方法应用石墨炉原子吸收分光光度法测定富钒决明子芽中钒含量。
First contender: a beach umbrella, which they evaluated with a spectrophotometer to see if UV rays passed through.
第一个竞争者：一把遮阳伞，他们用分光光度计来评估紫外线是否通过。
Atomic absorption spectrophotometer is used to determine calcium in calcium stearate, the best working conditions are fixed.
用原子吸收分光光度计测定了硬脂酸钙中的钙，确定了仪器的最佳工作条件。
The properties of the macromonomer and the functional polymer microspheres have been studied by GPC, spectrophotometer and SEM.
用GPC、分光光度仪和扫描电子显微镜等对合成的聚合物进行了表征。
The skills in selecting the optimum controlling condition in the verification of atomic absorption spectrophotometer are introduced.
介绍原子吸收分光光度计检定最佳测试条件的选择技巧。
A new measure method of cadmium bismuth copper lead and iron in refined antimony by atomic absorption spectrophotometer was present.
提出了原子吸收分光光度法快速测定精锑中微量镉铋铜铅铁的新方法。
The dispersion and directional array effects of aluminum powders were characterized with high power microscope and spectrophotometer.
采用高倍显微镜和分光光度计对铝粉的分散和定向排列效果进行了表征。
MAIN OUTCOME MEASURES:Ultraviolet spectrophotometer absorbance (A) and purity, agaroses gel electrophoresis, and objective gene sequencing.
主要观测指标：紫外分光光度计检测吸光率（A值）及纯度、琼脂糖凝胶电泳、目的基因测序。
Methods:After decompounded the sample by nitric acid, then to detect using both flame and graphite oven atomic absorption spectrophotometer.
方法：将样品经硝酸分解后，采用火焰原子吸收法和石墨炉原子吸收法分析测定。
Selenium in grains was determined by DAN fluorescence spectrophotometer, while fluorine was determined by fluoride ion selective electrode method.
硒的测定用DAN荧光分光光度法，氟的测定用氟离子选择电极法。
The peroxidase (POD) isozymes in the different development stages of Osmunda japonica Thund were studied using the method of PAGE and spectrophotometer.
利用聚丙烯酰胺凝胶电泳（PAGE）和分光光度法，对紫萁不同发育时期的过氧化物酶（POD）同工酶进行了测定。
The article analyses the causes of uneven dyeing for polyester knitted fabric and introduces the method of measuring the dye uptake by a spectrophotometer.
本文分析了造成针织涤纶织物染色不匀的原因，描述了用分光光度计测试上染率的方法。
Methods Cerebral ischemia reperfusion injury model was produced in rats. The electrolyte contents were measured with atomic absorption spectrophotometer(AAS).
方法建立大鼠急性脑缺血再灌流损伤模型，用原子分光光度仪检测脑组织电解质含量。
The contents of calcium and phosphate in tibias were determined by chemical analysis and the trace elements were detected by atom absorption spectrophotometer.
化学法测定胫骨钙和磷含量，原子吸收分光光度法测定铁、锌、镁、锰、铜、钴、铬和钼等微量元素的含量。
The contents of calcium and phosphate in tibias were determined by chemical analysis and the trace elements were detected by atom absorption spectrophotometer.
化学法测定胫骨钙和磷含量，原子吸收分光光度法测定铁、锌、镁、锰、铜、钴、铬和钼等微量元素的含量。
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